To find forgiveness in the weeds
Sam was too lost in his task and thoughts to notice that he was being watched and besides, the ruins often held that atmosphere anyway; too many dark doorways and wide pillars that could easily hide prying eyes away from the unobservant. It wasn't until there was a person directly before him that he jumped and looked up with a quiet 'oh', looking upon a stranger.
Not just a stranger: there was something distinctly strange about this person. With the bright eyes and hair, he immediately suspected this was not just the average stranger. "Ah..um..hello. Can I.." Sam looked around him, trying to see if there was some kind of context clue for why he had been approached; nothing he could immediately find. "..Help you somehow?"